Senior System Administrator

ARC Business Solutions Inc.

is an established and customer-oriented information technology solution provider with proven abilities to incorporate strategy, creativity and technical aspects into business solutions.

ARC operates out of 4 regions in Canada–Edmonton, Calgary, Toronto and Regina and in the US - and services a broad base of private and public sector clients.

Service delivery is focused in five main technology solution verticals:
Systems Delivery, Enterprise Information Management, Mobile Solutions, Training and Managed Services; with industry expertise in Energy, Utilities, Government, Financial Services and the Public Sector.

ARC Business Solutions Inc.

is currently seeking a Senior Systems Administrator for a three month contract in Edmonton, AB.

On site work is required.

ROLE:
Senior Systems Administrator

Key Responsibilities:

Day-to-day responsibilities may include, but are not limited to:
Conduct regular client environment reviews and produce clear health reports with actionable recommendations.

Identify security risks, misconfigurations, and vulnerabilities before they become incidents, and drive remediation to completion.

Build, maintain, and enforce documentation standards, including runbooks and SOPs for repeatable client processes.

Lead Microsoft 365 and Azure environment design, migration, and optimization projects for multiple clients.

Administer Entra  (Azure AD), Conditional Access, Intune, Defender, and Exchange Online in modern cloud and hybrid environments.

Manage hybrid identity environments and Azure IaaS workloads, including identity sync, access controls, and VM infrastructure.

Design and implement network solutions, including firewalls, switching, VLANs, SD WAN, and VPNs across multiple vendors.

Support and optimize mixed vendor network environments (Cisco, Fortinet, Meraki, Ubiquiti, and others).

Manage on premises server infrastructure, including Windows Server, VMware/Hyper V, and storage platforms.

Own backup and disaster recovery solutions end to end, including design, implementation, monitoring, and regular restore testing.

Conduct client security reviews and produce clear risk reports, remediation plans, and security roadmaps.

Respond to and coordinate security incidents across the client base, including escalation and post incident review.

Contribute to scoping and estimating project work, providing technical input into quotes and proposals.

Design and manage proactive monitoring, patching, and maintenance programs across the client base.

Supports consulting project teams with technical scoping, solution design, and knowledge transfer for smooth MSP handovers.

Propose and help implement service improvements and operational efficiencies within the MSP.

Mentor junior and mid-level team members through shadowing, knowledge sharing, and informal coaching to build overall team capability Provide operational support for users across multiple time zones and regions, including participation in business-impacting incidents or escalations that may occur outside standard local business hours, in accordance with established support and escalation processes.

Assist during peak operational periods such as onboarding waves, device refresh cycles, outages, or high-volume support events.